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<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Surgery and Oncology</journal-id><journal-title-group><journal-title xml:lang="en">Surgery and Oncology</journal-title><trans-title-group xml:lang="ru"><trans-title>Хирургия и онкология</trans-title></trans-title-group></journal-title-group><issn publication-format="electronic">2949-5857</issn><publisher><publisher-name xml:lang="en">Publishing House ABV Press</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">523</article-id><article-id pub-id-type="doi">10.17650/2686-9594-2021-11-3-4-40-45</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>CASE REPORT</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>КЛИНИЧЕСКОЕ НАБЛЮДЕНИЕ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Pancreatic leiomyosarcoma: a case report</article-title><trans-title-group xml:lang="ru"><trans-title>Лейомиосаркома поджелудочной железы. Клиническое наблюдение</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9608-4696</contrib-id><name-alternatives><name xml:lang="en"><surname>Nikulin</surname><given-names>M.  P. </given-names></name><name xml:lang="ru"><surname>Никулин</surname><given-names>М. П.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Department of Oncology, Faculty of Postgraduate Education</p><p>23 Kashirskoe Shosse, Moscow 115478</p><p>20/1 Delegatskaya St., Moscow 127473</p></bio><bio xml:lang="ru"><p>Кафедра онкологии факультета дополнительного образования</p><p>115478 Москва, Каширское шоссе, 23</p><p>127473 Москва, ул. Делегатская, 20, стр. 1</p></bio><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6169-2723</contrib-id><name-alternatives><name xml:lang="en"><surname>Yugay</surname><given-names>V.   V.</given-names></name><name xml:lang="ru"><surname>Югай</surname><given-names>В. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Vladimir Viktorovich Yugay </p><p>23 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>Владимир Викторович Югай  </p><p>115478 Москва, Каширское шоссе, 23</p></bio><email>yugay_vladimir@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3852-3969</contrib-id><name-alternatives><name xml:lang="en"><surname>Kozlov</surname><given-names>N.  A. </given-names></name><name xml:lang="ru"><surname>Козлов</surname><given-names>Н. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>23 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 23</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6791-2923</contrib-id><name-alternatives><name xml:lang="en"><surname>Arkhiri</surname><given-names>P.  P. </given-names></name><name xml:lang="ru"><surname>Архири</surname><given-names>П. П.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>23 Kashirskoe Shosse, Moscow 115478</p><p>2/1 Barrikadnaya St., Moscow 125993</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 23</p><p>125993 Москва, ул. Баррикадная, 2/1</p></bio><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3629-8438</contrib-id><name-alternatives><name xml:lang="en"><surname>Gabrava</surname><given-names>M.  M. </given-names></name><name xml:lang="ru"><surname>Габрава</surname><given-names>М. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>23 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 23</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2014-586X</contrib-id><name-alternatives><name xml:lang="en"><surname>Magamedova</surname><given-names>S.  S. </given-names></name><name xml:lang="ru"><surname>Магамедова</surname><given-names>С. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>23 Kashirskoe Shosse, Moscow 115478</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 23</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5229-8203</contrib-id><name-alternatives><name xml:lang="en"><surname>Stilidi</surname><given-names>I.  S. </given-names></name><name xml:lang="ru"><surname>Стилиди</surname><given-names>И. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>23 Kashirskoe Shosse, Moscow 115478</p><p>1 Ostrovityanova St., Moscow 117997</p></bio><bio xml:lang="ru"><p>115478 Москва, Каширское шоссе, 23</p><p>117997 Москва, ул. Островитянова, 1</p></bio><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff4"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">N.N. Blokhin National Medical Research Center of Oncology, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБУ «Национальный медицинский исследовательский центр онкологии им. Н.Н. Блохина» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">A.I. Evdokimov Moscow State University of Medicine and Dentistry, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Московский государственный медико-стоматологический университет им. А.И. Евдокимова» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Russian Medical Academy of Postgraduate Education, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБОУ ДПО «Российская медицинская академия непрерывного профессионального образования» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">N.I. Pirogov Russian National Research Medical University, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО «Российский национальный исследовательский медицинский университет им. Н.И. Пирогова» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2022-03-15" publication-format="electronic"><day>15</day><month>03</month><year>2022</year></pub-date><volume>11</volume><issue>3-4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>40</fpage><lpage>45</lpage><history><date date-type="received" iso-8601-date="2022-03-15"><day>15</day><month>03</month><year>2022</year></date><date date-type="accepted" iso-8601-date="2022-03-15"><day>15</day><month>03</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2022, Nikulin M.P., Yugay V.V., Kozlov N.A., Arkhiri P.P., Gabrava M.M., Magamedova S.S., Stilidi I.S.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2022, Никулин М.П., Югай В.В., Козлов Н.А., Архири П.П., Габрава М.М., Магамедова С.С., Стилиди И.С.</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="en">Nikulin M.P., Yugay V.V., Kozlov N.A., Arkhiri P.P., Gabrava M.M., Magamedova S.S., Stilidi I.S.</copyright-holder><copyright-holder xml:lang="ru">Никулин М.П., Югай В.В., Козлов Н.А., Архири П.П., Габрава М.М., Магамедова С.С., Стилиди И.С.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://onco-surgery.info/jour/article/view/523">https://onco-surgery.info/jour/article/view/523</self-uri><abstract xml:lang="en"><p>Primary pancreatic leiomyosarcoma belongs to a rare group of malignant soft tissue tumors. we present a clinical case of a 61-year-old patient who underwent hemipancreatectomy with splenectomy for a pancreatic tumor in 2018. Histological and immunohistochemical studies confirmed the diagnosis of leiomyosarcoma. for three years, the patient has been observed at the N.N. Blokhin National Medical Research Center of Oncology of ministry of Health of Russia without signs of progression.</p></abstract><trans-abstract xml:lang="ru"><p>Первичная лейомиосаркома поджелудочной железы относится к редкой группе злокачественных мягкотканных опухолей. мы представляем клинический случай пациентки 61 года, которой по поводу опухоли поджелудочной железы в 2018 г. была выполнена гемипанкреатэктомия со спленэктомией. гистологическое и иммуногистохимическое исследования подтвердили диагноз лейомиосаркомы. В течение 3 лет пациентка наблюдается в ФГБУ «Национальный медицинский исследовательский центр онкологии им. Н.Н. Блохина» Минздрава России без признаков прогрессирования заболевания.</p></trans-abstract><kwd-group xml:lang="en"><kwd>pancreatic leiomyosarcoma</kwd><kwd>hemipancreatectomy</kwd><kwd>pancreatic resection</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>лейомиосаркома поджелудочной железы</kwd><kwd>гемипанкреатэктомия</kwd><kwd>резекция поджелудочной железы</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">1. Weiss S.W., Goldblum J.R. Leiomyosarcoma. In: Enzinger and Weiss’s Soft Tissue Tumors. 4th edn. Mosby, St. Louis, 2001.</mixed-citation><mixed-citation xml:lang="ru">Weiss S.W., Goldblum J.R. Leiomyosarcoma. In: Enzinger and Weiss’s Soft Tissue Tumors. 4th edn. Mosby, St. Louis, 2001.</mixed-citation></citation-alternatives></ref><ref id="B2"><label>2.</label><citation-alternatives><mixed-citation xml:lang="en">2. Rajiah P., Sinha R., Cuevas C. 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